A novel multi-focus image fusion method based on joint regularization optimization layering and sparse representation.
Yanxiang HuBo ZhangYa ZhangZhijie ChenPublished in: Signal Process. Image Commun. (2022)
Keyphrases
- sparse representation
- joint optimization
- norm minimization
- dictionary learning
- sparse coding
- face recognition
- signal processing
- group sparsity
- negative matrix factorization
- random projections
- image classification
- image patches
- compressed sensing
- dimensionality reduction
- compressive sensing
- regularized least squares
- image representation
- high dimensional data
- sparse approximations
- sparse coefficients
- convex optimization
- piecewise smooth
- test images
- neural network
- nearest neighbor
- semi supervised
- sparse signal representation